6556378952810 has 32 divisors (see below), whose sum is σ = 12318069278592. Its totient is φ = 2507818864320.

The previous prime is 6556378952801. The next prime is 6556378952813. The reversal of 6556378952810 is 182598736556.

It is a super-2 number, since 2×6556378952810² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6556378952813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3210704 + ... + 4839563.

It is an arithmetic number, because the mean of its divisors is an integer number (384939664956).

Almost surely, 2^{6556378952810} is an apocalyptic number.

6556378952810 is a deficient number, since it is larger than the sum of its proper divisors (5761690325782).

6556378952810 is a wasteful number, since it uses less digits than its factorization.

6556378952810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8053838.

The product of its (nonzero) digits is 108864000, while the sum is 65.

The spelling of 6556378952810 in words is "six trillion, five hundred fifty-six billion, three hundred seventy-eight million, nine hundred fifty-two thousand, eight hundred ten".